lineid_plotThis Python module is an adaptation of the lineid_plot.pro procedure in the IDLAstro IDL library. It can be used to automatically place labels in a plot, in such a way that the labels do not overlap each other.

jdcalA Python module containing functions for calculating Julian dates from proleptic Gregorian and Julian calendar dates. Julian dates are handled as two floating point numbers, instead of one number. This prevents loss of precision in time that would occur if only one number is used.